Delayed reward discounting and addictive behavior: a meta-analysis
نویسندگان
چکیده
منابع مشابه
Integrating behavioral economics and behavioral genetics: delayed reward discounting as an endophenotype for addictive disorders.
Delayed reward discounting is a behavioral economic index of impulsivity, referring to how much an individual devalues a reward based on its delay in time. As a behavioral process that varies considerably across individuals, delay discounting has been studied extensively as a model for self-control, both in the general population and in clinical samples. There is growing interest in genetic inf...
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Objective: The aim of this study was to investigate the effectiveness of delayed discounting model of mindfulness-based cognitive therapy on delayed reward discounting, impulsivity, and sensation seeking in individuals with substance use disorders. Method: This study was a semi-experimental research conducted in the form of pretest-posttest and follow-up stage with control group. The statistica...
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Previous animal experiments have shown that serotonin is involved in the control of impulsive choice, as characterized by high preference for small immediate rewards over larger delayed rewards. Previous human studies under serotonin manipulation, however, have been either inconclusive on the effect on impulsivity or have shown an effect in the speed of action-reward learning or the optimality ...
متن کاملDelayed Reward Discounting and Alcohol Misuse: The Roles of Response Consistency and Reward Magnitude.
Delayed reward discounting (DRD) is a common index of impulsivity that refers to an individual's devaluation of rewards based on delay of receipt and has been linked to alcohol misuse and other maladaptive behaviors. The current study investigated response consistency and reward magnitude effects in two measures of DRD in a sample of 111 undergraduates who consumed an average of 10.7 drinks/wee...
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Drug dependence is a far-reaching problem that goes beyond the individual to society at large. While a myriad of substances have addictive properties, the scope of this review is limited to crack cocaine – how the brain, specifically the mesolimbic dopamine system, is compromised by administration of crack cocaine, physiological changes and the relevance of dopamine levels to susceptibility to ...
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ژورنال
عنوان ژورنال: Psychopharmacology
سال: 2011
ISSN: 0033-3158,1432-2072
DOI: 10.1007/s00213-011-2229-0